:root {
    --bg-main: #000000;
    --bg-surface: #0E0E10;
    --bg-card: #18181B;
    --border-color: #27272A;
    --text-primary: #FFFFFF;
    --text-secondary: #E4E4E7;
    --text-muted: #A1A1AA;
    --neon-green: #00FF66;
    --electric-blue: #007AFF;
    --warning-yellow: #FFD700;
    --danger-red: #FF3B30;
    --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: #27272A88;
    padding: 2px 6px;
    border-radius: 6px;
    color: var(--text-secondary);
}

.app-layout {
    display: flex;
    width: 100vw;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 290px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    padding-left: 8px;
}

.brand-icon {
    font-size: 30px;
    background: #00FF6622;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid #00FF6644;
}

.brand-text h2 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.sub-brand {
    font-size: 11px;
    color: var(--neon-green);
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.nav-item:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--neon-green);
    color: #000000;
    font-weight: 800;
    box-shadow: 0 0 16px #00FF6644;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.server-badge {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-indicator.online {
    background-color: var(--neon-green);
    box-shadow: 0 0 8px var(--neon-green);
}

.status-indicator.warning {
    background-color: var(--warning-yellow);
    box-shadow: 0 0 8px var(--warning-yellow);
}

.status-indicator.offline {
    background-color: var(--danger-red);
    box-shadow: 0 0 8px var(--danger-red);
}

/* Main Content Area */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px 40px;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.top-header h1 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.header-sub {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.live-pill {
    background: #00FF661A;
    border: 1px solid #00FF6644;
    color: var(--neon-green);
    font-size: 12px;
    font-weight: 800;
    padding: 6px 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.blink-dot {
    width: 8px;
    height: 8px;
    background-color: var(--neon-green);
    border-radius: 50%;
    animation: blink 1.5s infinite ease-in-out;
}

@keyframes blink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(0.8); }
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-label {
    font-size: 11px;
    font-weight: 800;
    color: var(--text-muted);
    letter-spacing: 0.8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -1px;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

.text-neon { color: var(--neon-green); }
.text-blue { color: var(--electric-blue); }
.text-gold { color: var(--warning-yellow); }
.text-danger { color: var(--danger-red); }

/* Panel Section & Tables */
.panel-section {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-container {
    overflow-x: auto;
    margin-top: 16px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13.5px;
}

.data-table th {
    padding: 14px 16px;
    background-color: var(--bg-card);
    color: var(--text-muted);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tr:hover td {
    background-color: #1F1F23;
}

/* Badges */
.badge {
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 800;
    display: inline-block;
}

.badge-success { background-color: #00FF6622; color: var(--neon-green); border: 1px solid #00FF6644; }
.badge-primary { background-color: #007AFF22; color: var(--electric-blue); border: 1px solid #007AFF44; }
.badge-info { background-color: #00F0FF22; color: #00F0FF; border: 1px solid #00F0FF44; }
.badge-danger { background-color: #FF3B3022; color: var(--danger-red); border: 1px solid #FF3B3044; }
.badge-outline { background-color: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); }

/* Buttons */
.btn {
    padding: 10px 18px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 13px;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--neon-green);
    color: #000000;
}

.btn-primary:hover {
    box-shadow: 0 0 16px #00FF6666;
}

.btn-danger {
    background-color: var(--danger-red);
    color: #FFFFFF;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--bg-card);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

/* POS Terminal Layout */
.pos-layout {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 24px;
    align-items: start;
}

.pos-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 28px;
}

.pos-subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 6px;
    margin-bottom: 20px;
}

.driver-preview-card {
    background-color: var(--bg-surface);
    border: 1px solid #00FF6644;
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 16px;
}

.driver-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
}

.form-control {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 14px;
    outline: none;
    font-family: inherit;
}

.form-control:focus {
    border-color: var(--neon-green);
}

.pos-amounts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.amount-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 8px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    text-align: center;
}

.amount-btn.active {
    background-color: var(--neon-green);
    color: #000000;
    border-color: var(--neon-green);
}

.alert-box {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

.alert-success { background-color: #00FF6622; color: var(--neon-green); border: 1px solid #00FF6644; }
.alert-error { background-color: #FF3B3022; color: var(--danger-red); border: 1px solid #FF3B3044; }

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 16px;
}

.fleet-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13.5px;
}

.fleet-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

/* Simulador de Tarifas Card */
.sim-result-card {
    background-color: var(--bg-card);
    border: 1px solid #00FF6644;
    border-radius: 18px;
    padding: 20px;
}

.sim-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 14px;
}

.sim-fare-total {
    font-size: 28px;
    font-weight: 900;
    color: var(--neon-green);
}

.sim-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px;
    font-size: 13.5px;
}

/* Tabs Switcher */
.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }